Snack



FIG. 1 is a top, right side perspective view of a snack, according to my new design;

FIG. 2 is a top, left perspective view thereof;

FIG. 3 is a top, rear side perspective view thereof;

FIG. 4 is a top, right perspective view thereof; and,

FIG. 5 is a top, front perspective view thereof. 

CLAIM The ornamental design for a snack, as shown and described. 